FPTO40 NFTF 170000


MATATOA WEATHER FORECASTING CENTRE



WEATHER BULLETIN ISSUED AT 01:00PM SATURDAY 17 OCTOBER 2026



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WARNING FOR LAND AREAS



NO WARNING.




SITUATION



A moderate to fresh southeasterly winds prevails across the group. Me
anwhile, a
frontal system is expected to approach the coastal waters of Tele-ki-
Tonga and
Tele-ki-Tokelau later this afternoon, bringing fresh to strong southe
rly to
southeasterly winds before extending to Tongatapu and Eua waters l
ater
tonight and tomorrow.




FORECAST TO MIDNIGHT TOMORROW FOR TONGA



FOR THE NIUAS, VAVA'U AND HA'APAI:
Light to moderate south to southeasterly winds, fresh at times. Winds
 gradually
increasing over the central by tomorrow evening. Mainly fine apart fr
om cloudy
periods with possible brief showers.

FOR TONGATAPU AND 'EUA:
Light to moderate southerly to southeasterly winds, gradually strengt
hening by
tomorrow afternoon.
Mainly fine apart from apart from cloudy periods with possible isolat
ed showers.




OUTLOOK FOR MONDAY



FOR ALL OF TONGA:
Moderate to fresh southeasterly winds, strong at times.
Mainly fine apart from cloudy periods with isolated showers.




TEMPERATURE FORECAST FOR NUKU'ALOFA



MAXIMUM FOR TODAY: 27C
MINIMUM FOR TONIGHT: 18C





MARINE WEATHER BULLETIN




WARNINGS FOR COASTAL WATERS



A STRONG WIND WARNING, HIGH SURF WARNING AND SMALL CRAFT ADVISORY ARE
 REMAIN IN
FORCE FOR ALL OF TONGA COASTAL WATERS.




FORECAST TO MIDNIGHT TOMORROW FOR TONGA COASTAL WATERS



FOR THE NIUAS, VAVA'U AND HA'APAI COASTAL WATERS:




South to southeasterly winds of 15-20 knots, rising up to 25 knots at
 times.
Moderate seas (up to 2.5 metres) and moderate easterly swell (up to 2
.5 metres).







FOR TONGATAPU AND 'EUA COASTAL WATERS:


Variable up to 10 knots then tending south to southeasterly later thi
s evening
15-20 knots before its gradually strength by tomorrow can be up to 25
-30 knots
at times. Slight seas then becoming moderate to rough seas later this
evening(up to 2-3 metres). A moderate south-westerly swell developing
 by
tomorrow morning (up to 2 metres).







FOR TELE-KI-TONGA AND TELE-KI-TOKELAU COASTAL WATERS:


Variable up to 10 knots, becoming southerly to southeasterly at 15
25 knots,
increasing to 2530 knots at times later this evening. Moderate sea
s then
becoming rough later this afternoon (up to 3-3.5 metres). A moderate
south-westerly swell (up to 2.5 metres).







OUTLOOK FOR MONDAY



FOR ALL OF TONGA COASTAL WATERS:
South to southeasterly winds 15-20 knots, increasing to 25-30 knots a
t times.
Moderate to rough seas (up to 2.5 - 3.5 metres). A moderate southerly
 swell (up
to 2.5 metres) over the southern and central waters.




TIDE PREDICTION IN NUKU'ALOFA FOR TODAY



LOW TIDE: 6:15PM
HIGH TIDE: 12:20AM




SUN AND MOON IN NUKU'ALOFA



SUNSET: 6:44PM
MOONSET: 12:31AM




THE MEAN SEA LEVEL PRESSURE RECORDED AT MATATOA AT 1:00PM WAS 1014.8 
MILLIBARS
AND THE RELATIVE HUMIDITY WAS 76%



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FCD: LL /= OBS: SMV/= CRS: HT/=